NewsRCMP shut down highway 19A at Hamm Road for motor vehicle accident SHARE ON: Justin Goulet, contributor, Tuesday, Mar. 6th, 2018 A Comox Valley RCMP vehicle blocking the roadway. Photo by James Wood/98.9 the Goat/Vista RadioBLACK CREEK, B.C.- Police have shut down the Old Island Highway (Highway 19A) at Hamm Road in Black Creek due to a motor vehicle accident.A map of the affected area. Image courtesy Google Maps.Traffic is being diverted to the Inland Island Highway at Hamm Road, as RCMP have closed the area in both directions. No further details are known at this time.